Case C-414/07: Judgment of the Court (Fourth Chamber) of 22 December 2008 (reference for a preliminary ruling from the Wojewódzki Sąd Administracyjny w Krakowie — Republic of Poland) — Magoora sp. zoo v Dyrektor Izby Skarbowej w Krakowie (Sixth VAT Directive — Article 17(2) and (6) — National legislation — Deduction of VAT on the purchase of fuel for certain vehicles irrespective of the purpose for which they are used — Effective restriction on deductions — Exclusions laid down by national law when the directive entered into force)